Home / 6,122.57-8,449.21-3,328.07

Finding the Fourth Proportional to 6,122.57, 8,449.21 and 3,328.07

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Solution

The fourth proportional to 6,122.57, 8,449.21 and 3,328.07 is: 4,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.57 : 8,449.21 = 3,328.07 : x
  2. Step 2: Convert to fraction form
    6,122.57/8,449.21 = 3,328.07/x
  3. Step 3: Cross multiply
    6,122.57x = 8,449.21 × 3,328.07
  4. Step 4: Simplify right side
    6,122.57x = 28,119,503.44
  5. Step 5: Solve for x
    x = 28,119,503.44/6,122.57
  6. Step 6: Final answer
    x = 4,592.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.